Lynn Collins wore:

Dress:  Hugo Boss

Shoes:  Aldo

Bag:  Corto Moltedo

Hat:  Vintage

She was styled by Nikki Pennie.

Teri Hatcher wore:

Suit:  Hugo Boss BOSS Black Label cream suit

Jewelry:  Sutra, diamond earrings

Andy Samberg wore Burberry.

Bryan Cranston wore Burberry.

Chris O'Donnell wore a tux from Giorgio Armani and the shoes were from Cole Haan.  His cufflinks were from Martin Katz.  He was styled Wendi & Nicole.

Desmond Harrington wore Calvin Klein Collection.

Gabriel Byrne wore Calvin Klein Collection.

Hugh Laurie wore Burberry.

Hunter Parrish wore a one-button Dior suit and Marc Jacobs shoes.  He is styled by Chris Horan.

Jack McBrayer wore Calvin Klein Collection.

Jamie Kennedy wore a tux from Reiss and was styled by Dorothy Amos.

Jason Siegel wore John Varvatos.

Jeremy Piven wore Dolce & Gabbana, with shoes from Tom Ford.

Jerry Ferrara wore Hugo Boss.

John Slattery wore Calvin Klein Collection.

Jim Parsons wore Calvin Klein Collection.

Jimmy Fallon wore Tom Ford.

Jon Cryer wore Moschino Uomo.

Justin Timberlake wore William Rast with Dior shoes.  He was styled by Annie Psaltiras.

Kevin Bacon wore John Varvatos.

Kevin Connolly wore D&G.

Kevin Dillon wore Hugo Boss.

Kyle MacLachlan wore Hugo Boss.

Michael J. Fox wore Calvin Klein Collection.

Michael C. Hall wore Calvin Klein Collection.

Neil Patrick Harris wore Dolce & Gabbana.

Omar Epps wore Burberry.

Rainn Wilson wore Burberry.

Rex Lee wore a Brooks Brothers tux and platinum, diamond and sapphire cufflinks and shirt studs from Jacob & Co.

Ryan Seacrest wore Burberry.

Stephen Colbert wore Brooks Brothers.

Stephen Moyer wore Dolce & Gabbana.

Todd Holland wore Hugo Boss.

Tony Shaloub wore Hugo Boss.

Zooey Deschanel wore a dress from Naeem Kahn with Louboutins.  Her diamond and platinum chandelier earrings and a diamond and platinum bow hair clip from Neil Lane.  Her ring was from Van Cleef & Arpels.  She was styled by Shirley Kurata.

Isabel Lucas wore a dress from Giambattista Valli, with Jimmy Choo "Clue" platform sandals and carried a VBH clutch.  Her jewelry was from Boucheron.  She was styled by Cristina Ehrlich.

Lynn Collins wore a sequined motorcycle jacket from Twenty Cluny.  Her shoes were Jimmy Choo "Alma" pumps and she carried a "Cecile" clutch.

Emily Deschanel wore a dress from Tadashi Shoji.  Shoes were from Stella McCartney and her bag was from Marc by Marc.  Her bracelets and ring were from House of Lavande.  She was styled by Penny Lovell.

Christina Hendricks wore a Hugo Boss dress with Ralph Lauren shoes.  Her diamonds were from Tacori.

Model Hilary Rhoda, who is currently the face of Estee Lauder, sparkled in a champagne color dress from Jacques Fath paired with strappy "Verity" sandals from Jimmy Choo.  She carried a VBH Italian clutch in brushed python graphite. Earrings, bracelet and rings from Erickson Beamon.  She is styled by Mary Alice Stephenson.

Kate Walsh wore a Hugo Boss dress with Brian Atwood shoes.  Her clutch was the "Kara" from Jimmy Choo and jewelry from Broken English.  She is styled by Lia Davis.

Queen Latifah wore a gown from Georges Chakra with Jimmy Choos.  She carried a Daniel Swarovski clutch and her diamonds were from Lorraine Schwartz.  She was styled by Timothy Snell.  Her hair was styled by Iasia Meerryiweather and her makeup was by Sam Fine.  Queen Latifah is a spokesmodel for Cover Girl cosmetics.

Mary J. Blige wore a Roberto Cavalli dress with Louboutin shoes. She carried a Cole Haan bag.  Her jewelry was from Lorraine Schwartz.